Groups of flowers tightly clustered together are called an
a. floret
b. ament
c. catkin
d. inflorescence
e. telament
Ans: d. inflorescence
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The breast cancer gene BRCA1 has a very similar sequence in humans, mice, and gorillas, due to its origination in a common ancestor. The BRCA1 genes in these species are examples of __________________.
A. orthologs B. paralogs C. polyploidy D. synteny Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about homology? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A northern blot could be used best to monitor control of gene expression at which of the following steps?
A. DNA methylation B. nucelosome acetylation C. protein ubiquitination D. transcription
Thin films of bacteria that have been air-dried onto a glass microscope slide are called ________.
Fill in the blank(s) with the appropriate word(s).
The mollusks with the largest brain and most complex behavior are the:
a. chitins b. cephalopods c. gastropods d. bivalves e. chelicerates